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Grade 5 SAE J429 Medium carbon steel: quenched and tempered 1/4 - 1 85,000 92,000 120,000 C25 - C34
1 1/8 - 1 1/2 74,000 81,000 105,000 C19 - C30
Grade 8 SAE J429 Medium carbon alloy steel: quenched and tempered 1/4 - 1 1/2 120,000 130,000 150,000 C33 - C39
B7 ASTM A193 Chromium-molybdenum alloy (4140, 4142, etc.) Used for high pressure, high temperature applications
2 1/2 & under - 105,000 125,000 C35 (max)
Over 2 1/2 - 4 - 95,000 115,000 C35 (max)
Over 4 - 7 - 75,000 100,000 C35 (max)
B16 ASTM A193 Chromium-molybdenum-vanadium alloy used for high-pres-sure, high-temperature service applications. Offers slightly higher temperature resistance than B7.
2 1/2 & under - 105,000 125,000 C35 (max)
Over 2 1/2 - 4 - 95,000 110,000 C35 (max)
Over 4 - 8 - 85,000 100,000 C35 (max)
8.8 ISO 898-1 Medium carbon steel: quenched and tempered M1.6 - M16 84,122 (580 MPa) 92,824 (640 MPa) 116,030 (800 MPa) C22 - C32
M18 - M39 87,023 (600 MPa) 95,725 (660 MPa) 120,381 (830 MPa) C23 - C34
10.9 ISO 898-1 Alloy steel: quenched and tempered M1.6 - M39 120,381 (830 MPa) 136,335 (940 MPa) 150,839 (1040 MPa) C32 - C39
12.9 ISO 898-1 Alloy steel: quenched and tempered M1.6 - M39 140,687 (970 MPa) 159,542 (1100 MPa) 176,946 (1220 MPa) C39 - C44
F593C ASTM F593 304, 304L, 305, 384, 18-8, 18-9LW, 302HQ Stainless Steel (Condition CW)
1/4 - 5/8 - 65,000 100,000 - 150,000 B95 - C32
F593D ASTM F593 304, 304L, 305, 384, 18-8, 18-9LW, 302HQ Stainless Steel (Condition CW)
3/4 - 1 1/2 - 45,000 85,000 - 140,000 B80 - C32
F593G ASTM F593 316, 316L Stainless Steel (Condition CW) 1/4 - 5/8 - 65,000 100,000 - 150,000 B95 - C32
F593H ASTM F593 316, 316L Stainless Steel (Condition CW) 3/4 - 1 1/2 - 45,000 85,000 - 140,000 B80 - C32
B8M Class 2 ASTM A193 316 Stainless Steel, carbide solution treated, strain-hard-ened.
3/4 & under - 95,000 110,000 C35 (max)
Over 3/4 to 1 - 80,000 100,000 C35 (max)
Over 1 to 1 1/4 - 65,000 95,000 C35 (max)
Over 1-1/4 to 1-1/2 - 50,000 90,000 C35 (max)
A2-70 ISO 3506-1 18-8 Stainless Steel ≤ M39 - 65,267 (450 MPa) 101,526 (700 MPa) -
A2-80 ISO 3506-1 18-8 Stainless Steel ≤ M39 - 87,023 (600 MPa) 116,030 (800 MPa) -
A4-70 ISO 3506-1 316 Stainless Steel ≤ M39 - 65,267 (450 MPa) 101,526 (700 MPa) -
A4-80 ISO 3506-1 316 Stainless Steel: strain-hardened ≤ M39 - 87,023 (600 MPa) 116,030 (800 MPa) -
ISO 5211 TABLE 1 FLANGE TORQUE IS BASED ON A METRIC CLASS 8.8 FASTENER. FOR THIS REASON, VANAIRE DOES NOT RECOMMEND USING FASTENERS SUCH AS THOSE LISTED BELOW DUE TO THEIR LOW YIELD STRENGTHS.
Grade 2 SAE J429 Low or medium carbon steel 1/4 - 3/4 - 57,000 74,000 B80 - B100
7/8 - 1 1/2 - 36,000 60,000 B70 - B100
4.6 ISO 898-1 Low or medium carbon steel M1.6 - M39 32,634 (225 MPa) 34,809 (240 MPa) 58,015 (400 MPa) B67 - B95
B8M Class 1 ASTM A193 316 Stainless Steel that has been carbide solution treated 1/4 & larger - 30,000 75,000 B96 (max)
Ungraded N/A 304 Stainless Steel - - Unknown Unknown -
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B7
B16
F593C
F593D
F593G
F593H
B8MSH
4.6
8.8
10.9
12.9
A2-70
A2-80
A4-70
A4-80
S03400
B8M
VANAIREINC.COMFOR ADDITIONAL INFORMATION, PLEASE CONTACT [email protected]
STANDARD FASTENERS SUPPLIED BY VANAIRE
GRADE MARKING
GRADE/ PROPERTY CLASS
SPECIFICATION MATERIAL SIZE RANGE (IN)
PROOF STRENGTH (PSI)
MINIMUM YIELD STRENGTH (PSI)
MINIMUM TENSILE STRENGTH (PSI)
CORE HARDNESS (ROCKWELL)
